Rowe HIGHTEC FORMULA SAE 20W-50 Z Viscosity SAE 20W-50 Base oil Mineralisch / mineral based Specifications API SN/SM/SL/SJ/SH/SG - JASO MA2 Mineral oil-based, high-quality, multi-grade engine oil with HC synthesis components. Specially developed for heavy-duty two-wheeler engines. Suitable for oil bath clutches.